App_win_iot_V2.0/IOTContainer/View/TouchMe.xaml.cs

using IOTContainer.Common;
using IOTContainer.ViewModel;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
using System.Windows.Threading;

namespace IOTContainer.View
{
    /// <summary>
    /// TouchMe.xaml 的交互逻辑
    /// </summary>
    public partial class TouchMe : Window
    {
        private double _topWidth;
        public double TopWidth
        {
            get { return _topWidth; }
            set
            {
                _topWidth = value;
                ComParameters.Parameters.TopTotalWidth = value + this.Width;
            }
        }
        private double _bottomWidth;
        public double BottomWidth
        {
            get { return _bottomWidth; }
            set
            {
                _bottomWidth = value;
                ComParameters.Parameters.BottomTotalWidth = value + this.Width;
            }
        }
        private DoubleAnimation _rectXAnima;
        private DoubleAnimation _rectYAnima;
        private Random _random;
        public TouchMe()
        {
            InitializeComponent();
            ComParameters.Parameters.TouchMe = this;
            this.DataContext = new TouchMeViewModel();
            //设置窗口大小
            this.WindowState = WindowState.Maximized;
            this.Width = SystemParameters.PrimaryScreenWidth;
            this.Height = SystemParameters.PrimaryScreenHeight;

            _rectXAnima = new DoubleAnimation();
            _rectYAnima = new DoubleAnimation();

            this.Loaded += (sender, e) =>
            {
                Thread thread = new Thread(() =>
                {
                    Dispatcher.BeginInvoke(new Action(() =>
                    {
                        if (ComParameters.Parameters.devType == "导视" && !string.IsNullOrEmpty(ComParameters.Parameters.labelType) && ComParameters.Parameters.labelType != "0")
                        {
                                //悬浮图标
                            _random = new Random();
                                //加载悬浮按钮
                            LoadRectBtn();
                                //设置按钮位置和动画
                            SetRectBtn();
                        }                        
                        SetTop();
                    }));
                });
                thread.IsBackground = true;
                thread.Start();


                 
                //Task.Run(() =>
                //{
                //    this.Dispatcher.Invoke(() =>
                //    {
                //        if (ComParameters.Parameters.devType == "导视" && !string.IsNullOrEmpty(ComParameters.Parameters.labelType) && ComParameters.Parameters.labelType != "0")
                //        {
                //                //悬浮图标
                //            _random = new Random();
                //                //加载悬浮按钮
                //            LoadRectBtn();
                //                //设置按钮位置和动画
                //            SetRectBtn();
                //        }
                //        Task.Delay(1000).Wait();
                //        SetTop();
                //    });
                //});
            };
            }
        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            
        }
        private void Window_MouseDown(object sender, MouseButtonEventArgs e)    
        {
            try
            {
                switch (ComParameters.Parameters.devType)
                {
                    case "导视":
                        {
                            ComParameters.Parameters.ScreenWindowNew?.Dispatcher.Invoke(() =>
                            {
                                ComParameters.Parameters.ScreenWindowNew.Close();
                            });
                            this.Close();
                            break;
                        }
                    case "信发":
                        {

                            break;
                        }
                }
            }
            catch (Exception ex)
            {
                Log.MyLog.WriteLogFile("TouchMe关闭失败：" + ex.Message);
            }
        }
        private void SetTop()
        {
            try
            {
                var count = 0;
                var _timer = new DispatcherTimer();
                _timer.Tick += (sender, e) =>
                {
                    count++;
                    if (!this.Topmost)
                    {
                        this.Topmost = true;
                    }
                    if (count >= 6)
                    {
                        _timer.Stop();
                    }
                };
                _timer.Interval = TimeSpan.FromSeconds(0.5);
                _timer.Start();
            }
            catch (Exception ex)
            {

                throw;
            }
           
        }
        #region 悬浮按钮

        /// <summary>
        /// 加载帧动画
        /// </summary>
        public void LoadRectBtn()
        {
            try
            {
                Storyboard _storyboard = new Storyboard();
                int count = 99;
                if (Convert.ToInt32(ComParameters.Parameters.labelType) < 3)
                {
                    count = 68;
                }
                for (int i = 0; i < count; i++)
                {
                    ObjectAnimationUsingKeyFrames oauf = new ObjectAnimationUsingKeyFrames();
                    //ObjectAnimationUsingKeyFrames 可以对指定 Duration 内的一组 KeyFrames 中的 Object 属性值进行动画处理
                    BitmapImage bitmap = new BitmapImage();
                    bitmap.BeginInit();
                    string name = i.ToString().PadLeft(5, '0');
                    bitmap.UriSource = new Uri("pack://application:,,,/IOTContainer;component/touch/touch" + ComParameters.Parameters.labelType + "/touch_" + name + ".png");

                    bitmap.CacheOption = BitmapCacheOption.Default;
                    bitmap.EndInit();
                    bitmap.Freeze();
                    ImageBrush imgBrush = new ImageBrush(bitmap);
                    //读取图片文件
                    DiscreteObjectKeyFrame dokf = new DiscreteObjectKeyFrame();
                    //DiscreteObjectKeyFrame 通过使用离散内插，可以在前一个关键帧的 Object 值及其自己的 Value 之间进行动画处理。
                    dokf.KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(i * 30));
                    //KeyTime 获取或设置应到达关键帧的目标 Value 的时间
                    //这里每隔40毫秒设置一张图片，也就是每秒1000/40=25帧
                    dokf.Value = imgBrush;
                    imgBrush.Freeze();
                    oauf.KeyFrames.Add(dokf);
                    dokf.Freeze();
                    Storyboard.SetTargetProperty(oauf, new PropertyPath("(Rectangle.Fill)"));
                    //把动画应用到窗体的Rectangle中
                    Storyboard.SetTarget(oauf, RectBtn);
                    //RectDis是Rectangle的名称
                    _storyboard.Children.Add(oauf);
                    //把ObjectAnimationUsingKeyFrames动画添加到Storyboard中
                }
                _storyboard.RepeatBehavior = RepeatBehavior.Forever;
                _storyboard.Begin();
                _storyboard.Freeze();
            }
            catch (Exception ex)
            {
                Log.MyLog.WriteLogFile("悬浮按钮加载失败：" + ex.Message);
            }
        }
        /// <summary>
        /// 根据配置设置悬浮图标的位置
        /// </summary>
        private void SetRectBtn()
        {
            try
            {
                switch (ComParameters.Parameters.labelEffect)
                {
                    case "0"://固定位置
                        {
                            switch (ComParameters.Parameters.labelLocation)
                            {
                                case "0"://右下角显示
                                    {
                                        Canvas.SetRight(RectBtn, 0);
                                        Canvas.SetBottom(RectBtn, 0);
                                        break;
                                    }
                                case "1"://居中
                                    {
                                        Canvas.SetLeft(RectBtn, (this.Width - RectBtn.Width) / 2);
                                        Canvas.SetTop(RectBtn, (this.Height - RectBtn.Height) / 2);
                                        break;
                                    }
                            }
                            break;
                        }
                    case "1"://自由移动
                        {
                            RectBtnMove();
                            break;
                        }
                }
            }
            catch (Exception ex)
            {
                Log.MyLog.WriteLogFile("设置悬浮图标的位置出错：" + ex.Message);
            }
        }
        private void RectBtnMove_Completed(object sender, EventArgs e)
        {
            RectBtnMove();
        }
        /// <summary>
        /// 设置悬浮图标的动画
        /// </summary>
        private void RectBtnMove()
        {
            Storyboard story = new Storyboard();
            try
            {
                switch (ComParameters.Parameters.labelLocation)
                {
                    case "2"://左右移动
                        {
                            Canvas.SetLeft(RectBtn, 0);
                            Canvas.SetBottom(RectBtn, 0);
                            _rectXAnima.From = Canvas.GetLeft(RectBtn);
                            _rectXAnima.To = this.Width - RectBtn.Width;
                            _rectXAnima.Duration = new Duration(TimeSpan.FromSeconds((this.Width - RectBtn.Width - Canvas.GetLeft(RectBtn)) / ComParameters.Parameters.rectBtnSpeed));
                            _rectXAnima.AutoReverse = true;
                            _rectXAnima.RepeatBehavior = RepeatBehavior.Forever;
                            Storyboard.SetTarget(_rectXAnima, RectBtn);
                            Storyboard.SetTargetProperty(_rectXAnima, new PropertyPath(Canvas.LeftProperty));
                            story.Children.Add(_rectXAnima);
                            break;
                        }
                    case "3"://随机移动
                        {
                            Canvas.SetLeft(RectBtn, 0);
                            Canvas.SetTop(RectBtn, 0);
                            //随机位置
                            var endX = _random.Next(0, Convert.ToInt32(this.Width - RectBtn.Width));
                            var endY = _random.Next(0, Convert.ToInt32(this.Height - RectBtn.Height));
                            //计算两点间的距离并计算所耗时间
                            var x = Math.Abs(Canvas.GetLeft(RectBtn) - endX);
                            var y = Math.Abs(Canvas.GetTop(RectBtn) - endY);
                            var z = Math.Sqrt(x * x + y * y);
                            var time = z / ComParameters.Parameters.rectBtnSpeed;
                            //X轴方向移动
                            _rectXAnima.From = Canvas.GetLeft(RectBtn);
                            _rectXAnima.To = endX;
                            _rectXAnima.Duration = new Duration(TimeSpan.FromSeconds(time));
                            Storyboard.SetTarget(_rectXAnima, RectBtn);
                            Storyboard.SetTargetProperty(_rectXAnima, new PropertyPath(Canvas.LeftProperty));
                            story.Children.Add(_rectXAnima);

                            //Y轴方向移动
                            _rectYAnima.From = Canvas.GetTop(RectBtn);
                            _rectYAnima.To = endY;
                            _rectYAnima.Duration = new Duration(TimeSpan.FromSeconds(time));
                            Storyboard.SetTarget(_rectYAnima, RectBtn);
                            Storyboard.SetTargetProperty(_rectYAnima, new PropertyPath(Canvas.TopProperty));
                            story.Children.Add(_rectYAnima);
                            story.Completed += RectBtnMove_Completed;

                            break;
                        }
                }
                story.Begin();
            }
            catch (Exception ex)
            {
                Log.MyLog.WriteLogFile("设置悬浮图标的动画出错：" + ex.Message);
            }

        }
        #endregion
        #region 字幕
        /// <summary>
        /// 顶部字幕
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void TopSubtitle_SizeChanged(object sender, SizeChangedEventArgs e)
        {
            try
            {
                TopWidth = TopSubtitle.ActualWidth;
                if (!string.IsNullOrEmpty(TopSubtitle.Text))
                {
                    var duration = ComParameters.Parameters.TopTotalWidth / (double)ComParameters.Parameters.subtitleSpeed;
                    var da = new DoubleAnimation(this.Width, 0 - TopWidth, new Duration(TimeSpan.FromSeconds(duration)));
                    TopSubtitle.RenderTransform = new TranslateTransform();
                    da.AutoReverse = false;
                    Storyboard.SetTarget(da, TopSubtitle);
                    Storyboard.SetTargetProperty(da, new PropertyPath("RenderTransform.X"));
                    var sb = new Storyboard();
                    sb.Children.Add(da);
                    sb.Begin();
                }
            }
            catch (Exception ex)
            {
                Log.MyLog.WriteLogFile("顶部字幕播放失败：" + ex);
            }
        }

        /// <summary>
        /// 底部字幕
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BottomSubtitle_SizeChanged(object sender, SizeChangedEventArgs e)
        {
            try
            {
                BottomWidth = BottomSubtitle.ActualWidth;
                if (!string.IsNullOrEmpty(BottomSubtitle.Text))
                {
                    var duration = ComParameters.Parameters.BottomTotalWidth / (double)ComParameters.Parameters.subtitleSpeed;
                    var da = new DoubleAnimation(this.Width, 0 - BottomWidth, new Duration(TimeSpan.FromSeconds(duration)));
                    BottomSubtitle.RenderTransform = new TranslateTransform();
                    da.AutoReverse = false;
                    Storyboard.SetTarget(da, BottomSubtitle);
                    Storyboard.SetTargetProperty(da, new PropertyPath("RenderTransform.X"));
                    var sb = new Storyboard();
                    sb.Children.Add(da);
                    sb.Begin();
                }
            }
            catch (Exception ex)
            {
                Log.MyLog.WriteLogFile("底部字幕播放失败：" + ex);
            }
        }


        #endregion

       
    }
}